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<pre><span class="sourceLineNo">001</span>/*<a name="line.1"></a>
<span class="sourceLineNo">002</span> * Copyright (C) 2007 The Guava Authors<a name="line.2"></a>
<span class="sourceLineNo">003</span> *<a name="line.3"></a>
<span class="sourceLineNo">004</span> * Licensed under the Apache License, Version 2.0 (the "License");<a name="line.4"></a>
<span class="sourceLineNo">005</span> * you may not use this file except in compliance with the License.<a name="line.5"></a>
<span class="sourceLineNo">006</span> * You may obtain a copy of the License at<a name="line.6"></a>
<span class="sourceLineNo">007</span> *<a name="line.7"></a>
<span class="sourceLineNo">008</span> * http://www.apache.org/licenses/LICENSE-2.0<a name="line.8"></a>
<span class="sourceLineNo">009</span> *<a name="line.9"></a>
<span class="sourceLineNo">010</span> * Unless required by applicable law or agreed to in writing, software<a name="line.10"></a>
<span class="sourceLineNo">011</span> * distributed under the License is distributed on an "AS IS" BASIS,<a name="line.11"></a>
<span class="sourceLineNo">012</span> * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.<a name="line.12"></a>
<span class="sourceLineNo">013</span> * See the License for the specific language governing permissions and<a name="line.13"></a>
<span class="sourceLineNo">014</span> * limitations under the License.<a name="line.14"></a>
<span class="sourceLineNo">015</span> */<a name="line.15"></a>
<span class="sourceLineNo">016</span><a name="line.16"></a>
<span class="sourceLineNo">017</span>package com.google.common.base;<a name="line.17"></a>
<span class="sourceLineNo">018</span><a name="line.18"></a>
<span class="sourceLineNo">019</span>import com.google.common.annotations.GwtCompatible;<a name="line.19"></a>
<span class="sourceLineNo">020</span>import com.google.common.annotations.GwtIncompatible;<a name="line.20"></a>
<span class="sourceLineNo">021</span><a name="line.21"></a>
<span class="sourceLineNo">022</span>import java.nio.charset.Charset;<a name="line.22"></a>
<span class="sourceLineNo">023</span><a name="line.23"></a>
<span class="sourceLineNo">024</span>/**<a name="line.24"></a>
<span class="sourceLineNo">025</span> * Contains constant definitions for the six standard {@link Charset} instances, which are<a name="line.25"></a>
<span class="sourceLineNo">026</span> * guaranteed to be supported by all Java platform implementations.<a name="line.26"></a>
<span class="sourceLineNo">027</span> *<a name="line.27"></a>
<span class="sourceLineNo">028</span> * &lt;p&gt;Assuming you're free to choose, note that &lt;b&gt;{@link #UTF_8} is widely preferred&lt;/b&gt;.<a name="line.28"></a>
<span class="sourceLineNo">029</span> *<a name="line.29"></a>
<span class="sourceLineNo">030</span> * &lt;p&gt;See the Guava User Guide article on &lt;a<a name="line.30"></a>
<span class="sourceLineNo">031</span> * href="http://code.google.com/p/guava-libraries/wiki/StringsExplained#Charsets"&gt;<a name="line.31"></a>
<span class="sourceLineNo">032</span> * {@code Charsets}&lt;/a&gt;.<a name="line.32"></a>
<span class="sourceLineNo">033</span> *<a name="line.33"></a>
<span class="sourceLineNo">034</span> * @author Mike Bostock<a name="line.34"></a>
<span class="sourceLineNo">035</span> * @since 1.0<a name="line.35"></a>
<span class="sourceLineNo">036</span> */<a name="line.36"></a>
<span class="sourceLineNo">037</span>@GwtCompatible(emulated = true)<a name="line.37"></a>
<span class="sourceLineNo">038</span>public final class Charsets {<a name="line.38"></a>
<span class="sourceLineNo">039</span>  private Charsets() {}<a name="line.39"></a>
<span class="sourceLineNo">040</span><a name="line.40"></a>
<span class="sourceLineNo">041</span>  /**<a name="line.41"></a>
<span class="sourceLineNo">042</span>   * US-ASCII: seven-bit ASCII, the Basic Latin block of the Unicode character set (ISO646-US).<a name="line.42"></a>
<span class="sourceLineNo">043</span>   */<a name="line.43"></a>
<span class="sourceLineNo">044</span>  @GwtIncompatible("Non-UTF-8 Charset")<a name="line.44"></a>
<span class="sourceLineNo">045</span>  public static final Charset US_ASCII = Charset.forName("US-ASCII");<a name="line.45"></a>
<span class="sourceLineNo">046</span><a name="line.46"></a>
<span class="sourceLineNo">047</span>  /**<a name="line.47"></a>
<span class="sourceLineNo">048</span>   * ISO-8859-1: ISO Latin Alphabet Number 1 (ISO-LATIN-1).<a name="line.48"></a>
<span class="sourceLineNo">049</span>   */<a name="line.49"></a>
<span class="sourceLineNo">050</span>  @GwtIncompatible("Non-UTF-8 Charset")<a name="line.50"></a>
<span class="sourceLineNo">051</span>  public static final Charset ISO_8859_1 = Charset.forName("ISO-8859-1");<a name="line.51"></a>
<span class="sourceLineNo">052</span><a name="line.52"></a>
<span class="sourceLineNo">053</span>  /**<a name="line.53"></a>
<span class="sourceLineNo">054</span>   * UTF-8: eight-bit UCS Transformation Format.<a name="line.54"></a>
<span class="sourceLineNo">055</span>   */<a name="line.55"></a>
<span class="sourceLineNo">056</span>  public static final Charset UTF_8 = Charset.forName("UTF-8");<a name="line.56"></a>
<span class="sourceLineNo">057</span><a name="line.57"></a>
<span class="sourceLineNo">058</span>  /**<a name="line.58"></a>
<span class="sourceLineNo">059</span>   * UTF-16BE: sixteen-bit UCS Transformation Format, big-endian byte order.<a name="line.59"></a>
<span class="sourceLineNo">060</span>   */<a name="line.60"></a>
<span class="sourceLineNo">061</span>  @GwtIncompatible("Non-UTF-8 Charset")<a name="line.61"></a>
<span class="sourceLineNo">062</span>  public static final Charset UTF_16BE = Charset.forName("UTF-16BE");<a name="line.62"></a>
<span class="sourceLineNo">063</span><a name="line.63"></a>
<span class="sourceLineNo">064</span>  /**<a name="line.64"></a>
<span class="sourceLineNo">065</span>   * UTF-16LE: sixteen-bit UCS Transformation Format, little-endian byte order.<a name="line.65"></a>
<span class="sourceLineNo">066</span>   */<a name="line.66"></a>
<span class="sourceLineNo">067</span>  @GwtIncompatible("Non-UTF-8 Charset")<a name="line.67"></a>
<span class="sourceLineNo">068</span>  public static final Charset UTF_16LE = Charset.forName("UTF-16LE");<a name="line.68"></a>
<span class="sourceLineNo">069</span><a name="line.69"></a>
<span class="sourceLineNo">070</span>  /**<a name="line.70"></a>
<span class="sourceLineNo">071</span>   * UTF-16: sixteen-bit UCS Transformation Format, byte order identified by an optional byte-order<a name="line.71"></a>
<span class="sourceLineNo">072</span>   * mark.<a name="line.72"></a>
<span class="sourceLineNo">073</span>   */<a name="line.73"></a>
<span class="sourceLineNo">074</span>  @GwtIncompatible("Non-UTF-8 Charset")<a name="line.74"></a>
<span class="sourceLineNo">075</span>  public static final Charset UTF_16 = Charset.forName("UTF-16");<a name="line.75"></a>
<span class="sourceLineNo">076</span><a name="line.76"></a>
<span class="sourceLineNo">077</span>  /*<a name="line.77"></a>
<span class="sourceLineNo">078</span>   * Please do not add new Charset references to this class, unless those character encodings are<a name="line.78"></a>
<span class="sourceLineNo">079</span>   * part of the set required to be supported by all Java platform implementations! Any Charsets<a name="line.79"></a>
<span class="sourceLineNo">080</span>   * initialized here may cause unexpected delays when this class is loaded. See the Charset<a name="line.80"></a>
<span class="sourceLineNo">081</span>   * Javadocs for the list of built-in character encodings.<a name="line.81"></a>
<span class="sourceLineNo">082</span>   */<a name="line.82"></a>
<span class="sourceLineNo">083</span>}<a name="line.83"></a>




























































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